Ep. 4: The Secret of the Cosmosaurs
Aired on April 9, 1980
4
Episodes
- Ep. 1 · The Soldier of Io Becomes Angry
- Ep. 2 · The establishment and growth of the Trinity Base facility
- Ep. 3 · Combine forces for Io and look beyond
- Ep. 4 · The Secret of the Cosmosaurs
- Ep. 5 · A rescue mission involving a tomboy character
- Ep. 6 · A small unexpected visitor arrives and causes disruption
- Ep. 7 · Journey to the Moon
- Ep. 8 · A mission involving mischief and playful antics unfolds